Board clamp



FIG. 1 is a front elevational view of a board clamp showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a cross-sectional view taken in the direction of the arrows on line 5--5 in FIG. 1;

FIG. 6 is a cross-sectional view taken in the direction of the arrows on line 6--6 in FIG. 1; and,

FIG. 7 is a front elevational view thereof in its position of use, the broken line showing of the boards being for illustrative purposes only. 

The ornamental design for a board clamp, as shown and described. 